100% Vegetarian Diet

Animals are not fed any animal byproducts. This does not guarantee they were raised outdoors or on pasture, but it should indicate that they were raised on grasses, hay, silage and other feed found on pasture or in a field. Grain, like corn, is vegetarian and falls into this category. Producers feeding their animals a 100% vegetarian diet should not be giving them supplements or additives, but it is always best to check with the farmer.

Sustainable Dictionary